package ch03.shiLi.shiLi8;

import ch03.shiLi.shiLi6.Test;
import org.apache.log4j.Logger;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;

public class IntermediaryInvocationHandler implements InvocationHandler {
    private static Logger logger=Logger.getLogger(Test.class.getName());

    /**
     * 被代理的目标对象
     */
    private Object target;

    public Object getTarget() {

        return target;
    }

    public void setTarget(Object target) {
        this.target = target;
    }

    /**
     * 为被代理的接口方法定义的代理业务规则
     */
    @Override
    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable{
        before();
        Object feedback=method.invoke(target,args);//执行目标对象的实际业务
        after();
        return "看房记录：买家反馈“"+feedback+"“";
    }
    public void before(){
        logger.debug("前期准备。");
        logger.debug("查找房源。");
        logger.debug("和卖家沟通时间");
    }
    public void after(){
        logger.debug("后期跟踪");
        logger.debug("和卖家沟通意见。");
    }
}
